/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using AopAlliance.Intercept;

namespace Spring.Aop;

/// <summary>
/// Subinterface of the AOP Alliance
/// <see cref="AopAlliance.Intercept.IMethodInterceptor"/> interface that
/// allows additional interfaces to be implemented by the interceptor, and
/// available via a proxy using that interceptor.
/// </summary>
/// <remarks>
/// <p>
/// This is a fundamental AOP concept called <b>introduction</b>.
/// </p>
/// <p>
/// Introductions are often <b>mixins</b>, enabling the building of composite
/// objects that can achieve many of the goals of multiple inheritance.
/// </p>
/// </remarks>
/// <author>Rod Johnson</author>
/// <author>Aleksandar Seovic (.NET)</author>
public interface IIntroductionInterceptor : IMethodInterceptor
{
    /// <summary>
    /// Does this <see cref="Spring.Aop.IIntroductionInterceptor"/>
    /// implement the given interface?
    /// </summary>
    /// <param name="intf">The interface to check.</param>
    /// <returns>
    /// <see langword="true"/> if this
    /// <see cref="Spring.Aop.IIntroductionInterceptor"/>
    /// implements the given interface.
    /// </returns>
    bool ImplementsInterface(Type intf);
}
